Windows 1.0 Screenshot Windows 1.0 Desktop (GUI) Windows 10 Screenshot Windows 10 Desktop (GUI) Other types of User Interfaces have sprung up with the invention of touch screen technology. *NIX OS, however, were the last OS to have a fully functional GUI. First commercially used by Xerox, then Apple, Microsoft was one of the last of the major OS to deploy the GUI. These graphical interfaces are considered simpler and more user-friendly, which allows for their effective use by more people without relying on knowledge of a special command language. These systems allow the use of a mouse or some other pointing device to click, select, drag, and manipulate objects.
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DOS Screenshot MS-DOS running Norton Commander (a classic example of a TUI/TLI) Graphical User Interface (GUI) A GUI presents the user with a full graphical display (images, buttons, scrollbars, etc.). It is sometimes seen when users are in "safe mode" on some modern computers, but was quickly replaced by the GUI. This interface was developed in the mid-late 1980's to run DOS programs. DOS Screenshot MS-DOS (a classic example of a CLI) Text-based User Interface/Text Line Interface (TUI/TLI) TUI/TLI displays using text only (usually with different colors) but allows for mouse input rather than relying on a command language. It was not until recently that MIT was able to provide a GUI for NIX systems. Historically, NIX systems could only function via the command line.
CLI's were used by some of the earliest Operating Systems, such as UNIX (1969) and DOS (1981). These systems use a command language to tell the computer what actions to perform. Command Line Interface (CLI) These Operating Systems work primarily through a command line (text input) via a keyboard and generally do not display graphics or utilize the mouse.
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